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Description
StarTech.com 4 Port High Resolution USB DVI Dual Link KVM Switch with AudioExperience streamlined multicomputer control with the StarTech. com 4 Port High Resolution USB DVI Dual Link KVM Switch with Audio. This compact, featurerich device is designed for professionals who juggle multiple systems but refuse to compromise on clarity, speed, or audio quality. By delivering a single console for keyboard, video, and mouse to manage up to four computers, it reduces desk clutter, simplifies troubleshooting, and enhances
Experience streamlined multi‑computer control with the StarTech.com 4 Port High Resolution USB DVI Dual Link KVM Switch with Audio. This compact, feature‑rich device is designed for professionals who juggle multiple systems but refuse to compromise on clarity, speed, or audio quality. By delivering a single console for keyboard, video, and mouse to manage up to four computers, it reduces desk clutter, simplifies troubleshooting, and enhances productivity in busy workstations, crowded offices, or media production suites. Built to deliver crisp DVI‑D dual‑link video, dependable USB peripheral sharing, and integrated audio, this KVM switch is a dependable hub for complex workflows, IT labs, and design studios.
- Seamless multi‑PC control from one console: manage up to four computers using a single keyboard, monitor, and mouse, dramatically reducing cable clutter and desk space requirements.
- High‑resolution DVI‑D dual‑link video: preserves sharp text, vibrant colors, and precise imagery for design, CAD, video editing, and engineering applications while maintaining broad compatibility with modern displays.
- USB keyboard and mouse sharing: connects USB peripherals to any of the connected computers without swapping devices, enabling quick transitions between systems with minimal downtime.
- Integrated audio switching: routes microphone and speaker outputs through the KVM, ensuring seamless audio collaboration and multimedia playback across all connected machines.
- Flexible switching options and reliable build: switch between PCs via convenient push‑button controls or keyboard hotkeys, backed by a sturdy chassis designed for daily, long‑term use in demanding environments.
Technical Details of StarTech.com 4 Port High Resolution USB DVI Dual Link KVM Switch with Audio
- Number of connected computers supported: 4
- Video interface: DVI‑D dual‑link for high‑quality, full‑motion display output
- USB connectivity: keyboard and mouse sharing via USB; compatible with standard USB HID devices
- Audio support: 3.5 mm stereo line‑in/out for integrated microphone and speakers
- Switching methods: push‑button on the unit and keyboard hotkeys for rapid PC selection
- Compatibility and drivers: operates as a plug‑and‑play device with no required software or driver installation; supports multiple operating systems including Windows, macOS, and Linux
- Power: bus‑powered via USB; no external power supply required in typical setups
- Physical design: compact, desktop‑friendly form factor with LED indicators to show the active computer
How to install StarTech.com 4 Port High Resolution USB DVI Dual Link KVM Switch with Audio
- Power down all devices before installation to prevent any accidental short or data loss.
- Connect the console side of the KVM switch by attaching your keyboard, mouse, and display to the designated ports on the front or rear of the unit, depending on the model layout.
- For each computer, connect a USB cable for keyboard/mouse and a DVI‑D dual‑link video cable to one of the four ports on the switch. If you plan to use audio, attach the 3.5 mm audio cables from the computer to the corresponding audio ports on the switch.
- Power on the computers and, if applicable, the switch. Ensure the monitor is set to the input associated with the KVM switch so the console can display the active computer’s output.
- Use the push‑button on the KVM to switch between computers, or configure and use the compatible hotkey combinations to cycle through the connected machines. Verify that the keyboard, mouse, and display respond correctly with each switch.
- Test audio routing by selecting each computer in turn and playing audio through the speakers or headphones connected via the switch. Make any necessary adjustments to volume and input/output settings on the participating machines.
Frequently asked questions
- Q: How many computers can this KVM switch control?
- A: Up to four computers can be controlled from a single keyboard, monitor, and mouse setup, enabling efficient management of multiple systems in one workspace.
- Q: Does it support audio switching?
- A: Yes. The switch includes integrated audio ports to route microphone and speaker outputs across the connected hosts, improving collaboration and multimedia workflows.
- Q: Do I need to install any drivers?
- A: No. This is a plug‑and‑play device that uses standard USB HID drivers and DVI video signals, compatible with Windows, macOS, and Linux without additional software.
- Q: What resolutions are supported?
- A: The switch supports high‑resolution DVI‑D dual‑link video, delivering clear text, sharp images, and accurate color for modern displays. Maximum resolution depends on your monitor capabilities and attached graphics cards.
- Q: How do I switch between computers?
- A: Switch via the physical push‑button on the KVM or use keyboard hotkeys configured for quick cycling between connected machines, minimizing disruption during workflows.
- Q: Is it compatible with multiple operating systems?
- A: Yes. The device is designed to be OS‑agnostic, working with Windows, macOS, and Linux without dedicated drivers, making it a versatile choice for mixed environments.
- Q: Is external power required?
- A: In most setups, the KVM switch is bus‑powered through USB. Check your configuration if you are running power‑hungry peripherals and ensure the USB port can supply adequate power.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 1153 reviews
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Product Reviews
★★★★★ 5
Easy and simple: Exact Step-by-Step Guide to Reloading Your Balance
Reload type: One Time Reload
I found reloading my Amazon gift card balance much easier than expected. The process was simple and took about 5 minutes at most. Here are the exact steps to do it:
Login: In the Amazon app or on Amazon.com, log in to your account.
Menu: Tap the 3 lines on the bottom right corner of your screen (next to Rufus, Amazon's AI).
Find Category: In the section highlighted "Shop by category," tap on Gifting & Registry (3rd option down in that section) and a drop-down menu will appear.
Select Gift Cards: On the drop-down menu, tap Gift Cards (first option).
Choose Your Action: "The Gift Card Shop" will appear. There you will have three options: "Redeem a gift card," "View your balance," and "Reload."
Start Reload: To add funds, tap Reload.
Select Type: Scroll down to "Add funds directly to your Amazon Gift Card balance" and tap which reload type you want (one-time, low balance auto-reload, or scheduled auto-reload).
Enter Amount: Choose your reload amount. The default is $25, but you can type in your own amount as well (the minimum amount is $5.00).
Finish: Tap the orange "Buy Now" tab.
***I used the Amazon app using the u i OneUI version 8.0 these Amazon app on Android version 16 (Baklava) on a Samsung Galaxy S25 Ultra. Others may have a slight variation of the menu setup on the Amazon app.***
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Easy way to add balance
Reload type: One Time Reload
Reloading my Amazon gift card balance has been easy and convenient. I like using it when I want to keep a little money set aside for Amazon orders or make checkout quicker without thinking about which card I want to use. The process is straightforward, the balance shows up fast, and it has been reliable every time I have used it. It is also helpful for budgeting because I can add a set amount and then use that balance for regular purchases. Nothing complicated about it, which is exactly why I like it.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Great for Budgeting – Instant Balance and Easy to Use
Reload type: One Time Reload
I use Amazon’s gift card reload feature to plan my spending. It’s perfect when I know I want to make a purchase but prefer to set the funds aside first.
I love that it’s immediate—no worries about pending charges or accidental spending from my card. It gives me peace of mind knowing that when I’m ready to buy, the balance is just sitting there, waiting.
Pros: easy to use, instant balance update, helps with budgeting and avoiding overspending
Cons: funds are locked into Amazon once reloaded, doesn’t count toward certain account requirements like review eligibility
Overall, it’s a convenient and reliable way to manage spending on Amazon, especially if you like having control over your purchases.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
I did this with a pay in 4. It made it super simple for a higher balance.
Reload type: One Time Reload
I’ve used this to reload my balance a few times, and it’s been simple and reliable. The process is quick, and the funds show up without any delays or issues.
It’s a convenient option when you want to control spending or keep purchases separate without using a card each time. Everything is straightforward and easy to manage.
I haven’t run into any problems with transactions or balance updates. It’s been consistent every time I’ve used it.
Overall, it’s an easy and dependable way to keep funds ready to go without any hassle.
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Reviewed in the United States on May 6, 2026
★★★★★ 4
Great for keeping bank statements clean but random security delays are frustrating
Reload type: One Time Reload
I use the balance reload tool to manage my monthly budget and easily hit credit card sign-up bonuses. It keeps my bank statements totally clean by grouping dozens of tiny e-book and movie rental charges into one single transaction. Most of the time the whole process works flawlessly and the money shows up in my account within five minutes. It is honestly the easiest way to put a hard limit on my family's everyday online shopping.
You just need to watch out for a few annoying system quirks when you load larger amounts of money. Even though it usually works instantly the automated security filter sometimes flags big reloads and freezes the transaction for hours. This random delay is incredibly frustrating if you are trying to add cash fast to catch a lightning deal before it expires. You also have to remember that this balance is strictly non-refundable and cannot be used to buy other gift cards.
Overall this is still a great method for organizing online spending and maximizing your cash-back credit card rewards. It totally fixed how I track household purchases but you definitely have to tolerate the occasional processing delays. My best advice is to load your account a day or two before you actually need to buy a big-ticket item. It works perfectly as a budgeting tool as long as you know the rules and plan for the random security hold.
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Reviewed in the United States on April 14, 2026